Make plugin language aware

Hello,

I have made a patch to make your plugin language (WPML) aware. What I did is adding the option to select in which languages the popup will appear.

It is maybe not perfect but it’s a start. I cannot attach a file here so I’va copied and paste my patch below:

From 692892927647731fd4d56fa1af4c2e7a9d3dcd05 Mon Sep 17 00:00:00 2001
From: anou
Date: Wed, 5 Sep 2018 12:17:36 +0200
Subject: [PATCH] Patch exit popup plugin to be WPML language aware

---
 app/wp-content/plugins/exit-popup/exit-popup.php | 32 +++++++++++++++++++++---
 1 file changed, 29 insertions(+), 3 deletions(-)

diff --git a/app/wp-content/plugins/exit-popup/exit-popup.php b/app/wp-content/plugins/exit-popup/exit-popup.php
index 45fd71a..a1d2bc1 100644
--- a/app/wp-content/plugins/exit-popup/exit-popup.php
+++ b/app/wp-content/plugins/exit-popup/exit-popup.php
@@ -103,6 +103,20 @@ function exit_popup_settings_page() { ?>
 				</small>
 			</td>
 		</tr>
+
+    <?php if( array_key_exists( 'wpml_object_id' , $GLOBALS['wp_filter']) ): // check for WPML ?>
+      <tr valign="top">
+        <th scope="row"><?php _e('Enabled language','exitpp');?></th>
+        <td>
+          <?php $languages = apply_filters( 'wpml_active_languages', NULL, 'orderby=id&order=desc' );
+                $enabled_languages = get_option('exit_popup_languages');
+          foreach ($languages as $key => $value) : ?>
+            <label style="padding-right: 15px;"><input type="checkbox" name="exit_popup_languages[<?php echo $key;?>]" value="<?php echo $key; ?>" <?php checked( $key, $enabled_languages[$key], true); ?> />&nbsp;<?php echo $value['native_name']; ?></label>
+          <?php endforeach; ?>
+        </td>
+      </tr>
+    <?php endif; ?>
+
 		<tr valign="top">
 			<th scope="row"><label for="exit_popup_powered_by">Show 'Powered by' Link</label></th>
 			<td>
@@ -127,6 +141,7 @@ function exit_popup_settings() {
 	register_setting( 'exit-popup-settings', 'exit_popup_popup_title' );
 	register_setting( 'exit-popup-settings', 'exit_popup_popup_body' );
 	register_setting( 'exit-popup-settings', 'exit_popup_popup_footer' );
+  register_setting( 'exit-popup-settings', 'exit_popup_languages' );
 	register_setting( 'exit-popup-settings', 'exit_popup_powered_by' );
 }
 add_action( 'admin_init', 'exit_popup_settings' );
@@ -140,6 +155,7 @@ function exit_popup_deactivation() {
     delete_option( 'exit_popup_popup_title' );
     delete_option( 'exit_popup_popup_body' );
     delete_option( 'exit_popup_popup_footer' );
+    delete_option( 'exit_popup_languages' );
     delete_option( 'exit_popup_powered_by' );
 }
 register_deactivation_hook( __FILE__, 'exit_popup_deactivation' );
@@ -153,9 +169,19 @@ function exit_popup_dependencies() {
 add_action( 'wp_enqueue_scripts', 'exit_popup_dependencies' );
 
 function exit_popup() {
-	
-	if(!isset($_COOKIE['viewedExitPopupWP']) && $_COOKIE['viewedExitPopupWP'] != 'true') {
-		
+  // Check for language
+  $epp_lg = get_option('exit_popup_languages');
+  $check_lg = false;
+  if( array_key_exists( 'wpml_object_id' , $GLOBALS['wp_filter']) ) {
+    $current_lg = ICL_LANGUAGE_CODE;
+    if( in_array($current_lg, $epp_lg) ) $check_lg = true;
+  }
+  else {
+    $check_lg = true;
+  }
+
+	if($check_lg && !isset($_COOKIE['viewedExitPopupWP']) && $_COOKIE['viewedExitPopupWP'] != 'true') {
+
 	if(esc_attr( get_option('exit_popup_click_outside') ) == "true") {
 		$exit_popup_click_outside = "";
 	} else {
-- 
2.10.1